Dell Inspiron E1405 can not get wireless card to turn on

http://askubuntu.com –
I have recently just downloaded ubuntu 11.10 and before i installed, wireless worked perfectly in windows. Now that i have downloaded and installed ubuntu, i know longer have windows. I do not have a wired connection at my house, only a mifi, so my computer is useless now without internet. I really like the functionality of ubuntu, but need internet. I have already ran the additional drivers page and it says it has installed the driver for my broadcom wireless adapter and is working. The laptop has a fn f2 to turn on the wireless adapter when in windows, but this does not work in ubuntu. i am
(HowTos)

Stories similar to Dell Inspiron E1405 can not get wireless card to turn on

I have the windows XP media edition running on my Dell Inspiron E1405 with all the hardware working properly. Recently i wipe out the windows and installed the Ubuntu 12.04 LTS using the CD and the installation process completed successfully but my wireless stopped working after.

Computer wireless indicator turned off and I can't even do the wired connection as well.